code: def __init__(self, version):
      self.macros = {}
      self.load_macros(version)
  
imports: import sys, os
  from distutils.errors import DistutilsExecError, DistutilsPlatformError, CompileError, LibError, LinkError
  from distutils.ccompiler import CCompiler, gen_lib_options
  from distutils import log
label_desc: Use image node_id 1 to create a new MacroExpander object  with example: obj = MacroExpander(version)